Investigation of the character of the phase transitions in Nb doped Zr-rich PZT by pyroelectric and dielectric measurements

被引：23

作者：

Cereceda, N ^{[1
]}

Noheda, B ^{[1
]}

Gonzalo, JA ^{[1
]}

机构：

[1] Univ Autonoma Madrid, Dept Fis Mat, E-28049 Madrid, Spain

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 1999年 / 19卷 / 6-7期

关键词：

phase transitions; dielectric properties; ferroelectric properties; PZT;

D O I：

10.1016/S0955-2219(98)00412-9

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We present a sturdy of the character of the phase transitions of the solid solution PbZr1-xTixO3. Using the spontaneous polarization curves we determined the mean-field parameters. These parameters show the first order character of the phase transitions for the richer Zr content and its evolution with composition. The F-RL-F-RH phase transition presents also first order character for high contents of Zr. The study of the thermal hysteresis, and the jump of the spontaneous polarization, allowed us to investigate this phase transition with composition. (C) 1999 Elsevier Science Limited. All rights reserved.

引用

页码：1201 / 1206

页数：6

共 11 条

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